New Upper Gasket Set for Cummins ISB 5.9L Common Rail 2003–2007 | 4089819
New Upper Gasket Set for Cummins ISB 5.9L Common Rail 2003–2007 | 4089819
Overview
Restore reliable engine sealing with this premium aftermarket Upper Engine Gasket Set, designed for select Cummins ISB 5.9L 24-valve common rail diesel engines. Referenced by part number 4089819, this kit provides essential gaskets and seals for cylinder head replacement, upper engine repairs, and top-end rebuilding.
Designed for compatible high-pressure common rail engine configurations, the gasket set helps restore proper sealing between critical engine components. It provides a convenient replacement solution for professional diesel engine maintenance and repair.
Includes: 1 x Upper Engine Gasket Set containing a cylinder head gasket, valve cover and rocker housing seals, selected manifold gaskets, O-rings, sealing washers, and related upper engine sealing components. Exact contents must be confirmed against the supplied kit.
Fitment
| Engine Model | Engine Years | Engine Configuration | Application |
|---|---|---|---|
| Cummins ISB 5.9L | 2003–2007 | 24-Valve, High-Pressure Common Rail Diesel | Common on-road engine applications; verify engine serial number |
| Cummins ISB 5.9L | 2002–2006 | Selected HPCR / FGT / EGR configurations | Additional catalog-listed applications; ESN verification required |
Primary Reference Part Number: 4089819
Fuel System: High-Pressure Common Rail (HPCR)
Important Fitment Notice: This kit is intended for select Cummins ISB 5.9L common rail engine configurations. Engine production year alone does not guarantee compatibility.
Before ordering, verify the Engine Serial Number (ESN), original gasket set part number, cylinder head gasket specification, and engine configuration.
This listing is not intended as a universal gasket kit for earlier mechanical-injection or VP44-equipped 5.9L engines, or for Cummins ISB 6.7L engines.
Why It's Better
- Premium Aftermarket Quality: A replacement gasket set selected for compatible diesel engine repairs, providing a practical alternative to individually sourcing multiple sealing components.
- Engine-Specific Fitment: Referenced by Cummins part number 4089819 for select ISB 5.9L common rail applications, helping identify the appropriate repair kit.
- Comprehensive Upper Engine Coverage: Combines major upper engine gaskets and related seals for cylinder head service, reducing the need to purchase each component separately.
- Reliable Sealing Restoration: When the correct gasket specifications are selected and professionally installed, the kit helps restore sealing at critical upper engine joints.
Specifications
| Product Type | Upper Engine Gasket Set |
|---|---|
| Reference Part Number | 4089819 |
| Engine Manufacturer | Cummins |
| Engine Model | ISB 5.9L |
| Engine Displacement | 5.9L |
| Engine Configuration | Inline 6-Cylinder, 24-Valve Diesel |
| Fuel Injection System | High-Pressure Common Rail |
| Condition | New Aftermarket |
| Kit Quantity | 1 Upper Engine Gasket Set |
| Head Gasket Specification | Verify supplied gasket grade and thickness before installation |
| Warranty | Subject to Seller's Warranty Policy |
Shipping & Warranty
Shipping: Available shipping methods, delivery areas, and charges are displayed at checkout.
Bulk Orders: Contact our team for quantity pricing and shipping arrangements for multiple kits.
Warranty: Warranty coverage is subject to the seller's published warranty policy and applicable terms.
FAQ
1. Which engines does this gasket set fit?
This upper gasket set is intended for select Cummins ISB 5.9L 24-valve common rail diesel engines. Confirm the original gasket set part number and engine serial number.
2. What components are included?
The kit contains upper engine sealing components such as the cylinder head gasket, valve cover gasket, selected manifold gaskets, O-rings, sealing washers, and related seals. Exact contents depend on the supplied kit.
3. Does this kit include a cylinder head gasket?
Yes, a cylinder head gasket is included in the pictured product configuration. Verify the gasket thickness and grade required for your engine before installation.
4. Is this suitable for a 12-valve or VP44 engine?
No universal compatibility is claimed for earlier 12-valve or VP44-equipped 5.9L engines. Those applications may require different gasket sets.
5. Does this kit include head bolts?
Cylinder head bolts are not shown as part of the supplied kit. Purchase the appropriate head bolts or studs separately if required.
6. How can I confirm compatibility?
Provide your Cummins Engine Serial Number (ESN), original gasket set part number, and engine configuration. The required head gasket grade should also be confirmed before installation.
Disclaimer
This product is an aftermarket replacement gasket set and is not represented as a genuine Cummins-manufactured product. Cummins and related trademarks belong to their respective owners and are used solely for identification and compatibility.
Engine model, displacement, and production year alone do not guarantee fitment. Always verify the Engine Serial Number (ESN), original part number, gasket thickness, and required sealing components before ordering.
Professional installation is recommended. Clean and inspect all mating surfaces, and follow the applicable engine service procedures and tightening specifications.